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Abdominal support swivel chairAbdominal support swivel chair description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20070246990, Abdominal support swivel chair. Brief Patent Description - Full Patent Description - Patent Application Claims
RELATED APPLICATION [0001]This application is a continuation of International Patent Application No. PCT/CA2006/000642 filed on Apr. 20, 2006, which is herein incorporated by reference. TECHNICAL FIELD [0002]The present invention relates to an abdominal support swivel chair and particularly, but not exclusively, to a chair for use by dentists or other persons who require working with their hands while their back is forwardly inclined on a seat surface. BACKGROUND ART [0003]Chairs having supports to engage the chest of a user person, such as a dentist, hygienist, surgeon, etc., is known in the art and such chair or seating apparatus are, for example, described in U.S. Pat. Nos. 3,754,787; 4,832,407 and 6,619,747. However, such support chair assemblies still provide disadvantages including freedom of movement of the user person when seated on the chair and performing a work task forwardly of the seating surface. The seat of the chair also needs to provide comfort to the user person particularly when working long hours in a forwardly inclined seated or crouched position. Such chairs also need to provide free rotational movement of the user person when seated on the chair while preventing the chair from overturning and causing injury. [0004]In recent years a study was effected by the ASSTSAS Association and dealing with the risk factors to dentists and dental assistants that work in dental clinics and particularly the problems that such people develop at the musculo-skeleton level due to their work habits. The study revealed that the chairs that these people are using hinder the blood circulation in the legs and cause muscular and spinal back and neck problems due to the fact that the back and neck are inclined forwardly when working on a patient as the back is not properly supported on the chair. When working in such awkward positions for long periods of time all of the tension is directed to the back of the working person which supports the inclined chest and head of the dentist or dental assistant. To counteract the stress on the back, the working person will brace his legs in such a way as to liberate this tension but this has led to the cause of other problems, such as pinching the sciatic nerve. The study effected by the Association of Dental Surgeons and Dentists of the Province of Quebec, Canada (ACDQ) reveals that these people, after working long hours and for several years, develop lower back problems, problems in the neck area and in the shoulders. The more frequent pathologies are tendonitis, bursitis, degeneration of the lumbar disc and the discs in the neck region as well as causing spinal-disc compression and disc hernias, to mention a few. Studies have also shown that the chairs used by dentists often obstruct the dentist's arm movements causing the dentist to assume awkward postures when performing his job function. The study has also shown that the average work life cycle of a dental assistant is about seven (7) years and this is due particularly to all these muscular problems that these people develop due to their work related activities. Also, this type of bad posture causes fatigue and the productivity of the individual is diminished. [0005]The study by ASSTSAS also has resulted in various recommendations concerning the use of proper equipment in an attempt to alleviate all of these muscular and spinal problems. Reference is therefore made to this publication for background art as well as the other studies referred to therein such as studies effected by the American Public Health Association, Herbert 1998, pages 375 to 396. All of the proposed devices have not proven satisfactory to overcome the above-mentioned problems. DISCLOSURE OF INVENTION [0006]It is a feature of the present invention to provide an abdominal support swivel chair which substantially overcomes all of the above-mentioned disadvantages of the prior art. [0007]According to the above feature, from a broad aspect, the present invention provides an abdominal support swivel chair which is comprised of a support base having displacable support means for displacing the chair on a support surface. An adjustable center post assembly extends vertically from a center of the support base along a central vertical axis of the support base. A seat is secured to a seat frame secured to a top end of the adjustable center post. An abdominal support pad is secured to an adjustable support arm connected to the seat frame. The support arm has an upper securing end section adapted for securement of the abdominal support pad. The adjustable support arm is connected forwardly of the seat frame and aligned therewith. Adjustable connecting means positions the abdominal support pad at a desired vertical position and a forwardly inclined position for the comfort of a user person. The abdominal support pad is dimensioned to provide freedom of arm movement to a user person and supporting a central area of the abdomen of a user person. BRIEF DESCRIPTION OF THE DRAWINGS [0008]A preferred embodiment of the present invention will now be described with reference to the accompanying drawings in which: [0009]FIG. 1 is a perspective view of an abdominal support swivel chair constructed in accordance with the present invention; [0010]FIG. 2A is a top view of the saddle seat and showing the position of the securement member of the abdominal support pad adjustable support arm; [0011]FIG. 2B is a perspective view of the saddle seatshowing the shape of the upper support surface thereof; [0012]FIG. 3 is a top view illustrating the construction of the support base and its spider-like legs; [0013]FIG. 4A is a perspective view showing the abdominal support pad secured elevated by a support arm in front of the saddle seat; [0014]FIG. 4B is a side view of the support arm; [0015]FIG. 4C is a plan view of the support arm; [0016]FIG. 4D is a perspective view of the abdominal support pad base; [0017]FIG. 4E is a side view of the a support pad base; [0018]FIG. 5 is a perspective view showing a user person seated on the abdominal support swivel chair of the present invention; [0019]FIG. 6 is a simplified fragmented view illustrating the construction of the vertical and horizontal adjustment mechanism of the abdominal support pad; and Continue reading about Abdominal support swivel chair... Full patent description for Abdominal support swivel chair Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Abdominal support swivel chair patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. Each week you receive an email with patent applications related to your keywords. Start now! - Receive info on patent apps like Abdominal support swivel chair or other areas of interest. ### Previous Patent Application: Adjustable headrest Next Patent Application: Footrest Industry Class: Chairs and seats ### FreshPatents.com Support Thank you for viewing the Abdominal support swivel chair patent info. IP-related news and info Results in 0.27076 seconds Other interesting Feshpatents.com categories: Electronics: Semiconductor , Audio , Illumination , Connectors , Crypto , 174 |
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